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SCENARIO 18-6
a Weight-Loss Clinic Wants to Use Regression Analysis β\beta

Question 138

Multiple Choice

SCENARIO 18-6
A weight-loss clinic wants to use regression analysis to build a model for weight-loss of a client (measured in pounds) .Two variables thought to affect weight-loss are client's length of time on the weight loss program and time of session.These variables are described below:
SCENARIO 18-6 A weight-loss clinic wants to use regression analysis to build a model for weight-loss of a client (measured in pounds) .Two variables thought to affect weight-loss are client's length of time on the weight loss program and time of session.These variables are described below: Partial output from Microsoft Excel follows: -Referring to Scenario 18-6,what null hypothesis would you test to determine whether the slope of the linear relationship between weight-loss (Y) and time in the program (X<sub>1</sub>) varies according to time of session? A) H<sub>0</sub><sub> </sub>: \beta <sub>1</sub> = \beta <sub>2</sub> = \beta <sub>3</sub> = \beta <sub>4</sub> = \beta <sub>5</sub> = 0 B) H<sub>0</sub><sub> </sub>: \beta <sub>2</sub> = \beta <sub>3</sub> = \beta <sub>4</sub> = \beta <sub>5</sub> = 0 C) H<sub>0 </sub><sub> </sub>: \beta <sub>4</sub> = \beta <sub>5</sub> =0 D) H<sub>0 </sub><sub> </sub>: \beta <sub>2</sub> = \beta <sub>3</sub> = 0
Partial output from Microsoft Excel follows: SCENARIO 18-6 A weight-loss clinic wants to use regression analysis to build a model for weight-loss of a client (measured in pounds) .Two variables thought to affect weight-loss are client's length of time on the weight loss program and time of session.These variables are described below: Partial output from Microsoft Excel follows: -Referring to Scenario 18-6,what null hypothesis would you test to determine whether the slope of the linear relationship between weight-loss (Y) and time in the program (X<sub>1</sub>) varies according to time of session? A) H<sub>0</sub><sub> </sub>: \beta <sub>1</sub> = \beta <sub>2</sub> = \beta <sub>3</sub> = \beta <sub>4</sub> = \beta <sub>5</sub> = 0 B) H<sub>0</sub><sub> </sub>: \beta <sub>2</sub> = \beta <sub>3</sub> = \beta <sub>4</sub> = \beta <sub>5</sub> = 0 C) H<sub>0 </sub><sub> </sub>: \beta <sub>4</sub> = \beta <sub>5</sub> =0 D) H<sub>0 </sub><sub> </sub>: \beta <sub>2</sub> = \beta <sub>3</sub> = 0
-Referring to Scenario 18-6,what null hypothesis would you test to determine whether the slope of the linear relationship between weight-loss (Y) and time in the program (X1) varies according to time of session?


A) H0 : β\beta 1 = β\beta 2 = β\beta 3 = β\beta 4 = β\beta 5 = 0
B) H0 : β\beta 2 = β\beta 3 = β\beta 4 = β\beta 5 = 0
C) H0 : β\beta 4 = β\beta 5 =0
D) H0 : β\beta 2 = β\beta 3 = 0

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